The use of online social networks has made significant progress in recent years as the use
of the Internet has become widespread worldwide as the technological infrastructure and the …

Location-based social networks (LBSNs) feature friend discovery by location proximity that
has attracted hundreds of millions of users world-wide. While leading LBSN providers claim …

In this paper, we propose a privacy-preserving proximity-based security system for location-
based services in wireless networks, without requiring any pre-shared secret, trusted …

Many proximity-based mobile social networks are developed to facilitate connections
between any two people, or to help a user to find people with a matched profile within a …

A location proximity test service allows mobile users to determine whether they are in close
proximity to each other, and has found numerous applications in mobile social networks …

Location-aware applications are one of the biggest innovations brought by the smartphone
era, and are effectively changing our everyday lives. But we are only starting to grasp the …

The latest Federal Communications Commission (FCC) ruling has enforced database-driven
cognitive radio networks (CRNs), in which all secondary users (SUs) can query a database …

It is possible to view communication complexity as the minimum solution of an integer
programming problem. This integer programming problem is relaxed to a linear …

The concept of Internet of things (IoT) has attracted attention as a key technology for
realizing future industrial society. In the future society, numerous “things” with sensors are …

With the rapid development of the Internet of Things (IoT), Location-Based Services (LBS)
are becoming more and more popular. However, for the users being served, how to protect …